Gelts are a slang term for money, and there are a plethora of synonyms that can be used to describe it. Cash, currency, dough, moolah, loot, bucks, bills, and greenbacks are just a few examples. Other slang terms for money include cheddar, cheese, bread, coins, scratch, and paper. Additionally, some people may use specific jargon within a particular industry to describe money, such as gold for the precious metals market or tokens for the casino industry. No matter what term is used, the meaning remains the same - a form of currency used to purchase goods and services.